106 lines
3.1 KiB
C#
106 lines
3.1 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2009 Novell, Inc.
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//
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// Authors:
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// Carlos Alberto Cortez (calberto.cortez@gmail.com)
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//
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using System;
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using System.Drawing;
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using System.Collections;
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using System.Collections.Specialized;
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namespace System.Windows.Forms {
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internal class ClipboardData {
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ListDictionary source_data; // Source in its different formats, if any
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string plain_text_source; // Cached source as plain-text string
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Image image_source; // Cached source as image
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internal object Item; // Object on the clipboard
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internal ArrayList Formats; // list of formats available in the clipboard
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internal bool Retrieving; // true if we are requesting an item
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internal bool Enumerating; // true if we are enumerating through all known types
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internal XplatUI.ObjectToClipboard Converter;
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public ClipboardData ()
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{
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source_data = new ListDictionary ();
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}
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public void ClearSources ()
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{
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source_data.Clear ();
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plain_text_source = null;
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image_source = null;
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}
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public void AddSource (int type, object source)
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{
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// Try to detect plain text, based on the old behaviour of XplatUIX11, which usually assigns
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// -1 as the type when a string is stored in the Clipboard
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if (source is string && (type == DataFormats.GetFormat (DataFormats.Text).Id || type == -1))
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plain_text_source = source as string;
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else if (source is Image)
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image_source = source as Image;
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source_data [type] = source;
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}
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public object GetSource (int type)
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{
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return source_data [type];
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}
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public string GetPlainText ()
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{
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return plain_text_source;
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}
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public string GetRtfText ()
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{
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DataFormats.Format format = DataFormats.GetFormat (DataFormats.Rtf);
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if (format == null)
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return null; // FIXME - is RTF not supported on any system?
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return (string)GetSource (format.Id);
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}
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public Image GetImage ()
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{
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return image_source;
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}
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public bool IsSourceText {
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get {
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return plain_text_source != null;
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}
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}
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public bool IsSourceImage {
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get {
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return image_source != null;
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}
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}
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}
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}
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